Summary:
-Wno-shadow warnings disable a improper warning directive for C++, this is made because
it is common for people to use the same CFLAGS as CXXFLAGS, enabling, unadvertadly, the
smae warning for C and C++.
Subscribers: cedric, #reviewers, #committers, zmike
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D6821